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(parent: 6dc7b7d) | patch
i2c: rcar: bail out on zero length transfers
authorWolfram Sang <wsa+renesas@sang-engineering.com>
Mon, 5 May 2014 16:36:21 +0000 (18:36 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 7 Jun 2014 17:28:27 +0000 (10:28 -0700)
commit6a8702825dc2c66c7233c0b5d9b05a4cddec9eca
treeb02c58d783d6993da1acad8e1af7748250962e86tree | snapshot
parent6dc7b7dafd495b5234496e17abab217ac5bccb1acommit | diff
i2c: rcar: bail out on zero length transfers

commit d7653964c590ba846aa11a8f6edf409773cbc492 upstream.

This hardware does not support zero length transfers. Instead, the
driver does one (random) byte transfers currently with undefined results
for the slaves. We now bail out.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/i2c/busses/i2c-rcar.c diff | blob | history
Domain: System / Uncategorized;